NIVA: A Multimodal Foundation Model for Actionable Earth System Intelligence
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Computer Science > Machine Learning
Title:NIVA: A Multimodal Foundation Model for Actionable Earth System Intelligence
Abstract:Recent advances in AI-driven weather and climate modeling have improved forecast skill while reducing computational cost. However, existing data-driven approaches are limited in their ability to model coupled Earth system dynamics, which is required for extending predictability beyond the ~2-week horizon. To address this, we introduce NIVA, a multimodal foundation model designed to learn unified representations across Earth system components. While the full framework targets atmosphere, ocean, ice, and land interactions, we focus here on a two-modality setting (ocean and atmosphere) as a controlled proof of concept to evaluate whether foundation models can learn coupled dynamics. Trained on large-scale Earth system simulations, NIVA learns physically meaningful cross-modal structure, providing a foundation for subseasonal-to-seasonal prediction. As initial validation, we show that NIVA captures key modes of climate variability through accurate prediction of major climate indices.
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2606.28546 [cs.LG] |
| (or arXiv:2606.28546v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2606.28546
arXiv-issued DOI via DataCite (pending registration)
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